4.0.0
  com.toov5.loveCode
  loveCode
  0.0.1-SNAPSHOT
   
  
        org.springframework.boot
        spring-boot-starter-parent
        2.0.0.RELEASE
         
    
    
        2.8.0
        1.8
        1.8
        UTF-8
        UTF-8
        zh_CN
    
 
    
        
            org.projectlombok
            lombok
        
        
            org.springframework.boot
            spring-boot-starter-web
            
        
        
        
            com.alibaba
            fastjson
            1.2.47
        
        
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
        
            org.springframework.boot
            spring-boot-starter-data-redis
        
        
           
            org.springframework.session
            spring-session-data-redis
        
        
            org.apache.commons
            commons-pool2
        
        
            redis.clients
            jedis
        
 
    
    
        
            
                org.apache.maven.plugins
                maven-compiler-plugin
                
                    1.8
                    1.8
                
            
            
                org.springframework.boot
                spring-boot-maven-plugin
                
                    com.meiteedu.WxMpApplication
                
                
                    
                        
                            repackage
                        
                    
                
 
            
        
    
   

server:
  port: 8080
 
redis:
  hostname: 192.168.91.3    
  port:  6379
  password:  123

package com.toov5.loveCode;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
public class TestSessionController {
    @Value("${server.port}")
    private String serverPort;

    @RequestMapping("/")
    public String index() {
        return serverPort;
    }

    // 創(chuàng)建session 會話
    @RequestMapping("/createSession")
    public String createSession(HttpServletRequest request, String nameValue) {
        // 默認(rèn) 創(chuàng)建一個session，
        HttpSession session = request.getSession();
        System.out.println(
                "存入Session  sessionid:信息" + session.getId() + ",nameValue:" + nameValue + ",serverPort:" + serverPort);
        session.setAttribute("name", nameValue);
        return "success-" + serverPort;
    }

    // 獲取session 會話
    @RequestMapping("/getSession")
    public Object getSession(HttpServletRequest request) {
        // 設(shè)置為true 情況下的時候，客戶端使用對應(yīng)的sessionid 查詢不到對應(yīng)的sesison 會直接創(chuàng)建一個新的session
        // 設(shè)置為false 情況下的時候，客戶端使用對應(yīng)的sessionid 查詢不到對應(yīng)的sesison 不 會直接創(chuàng)建一個新的session
        HttpSession session = request.getSession(false);
        if (session == null) {
            return serverPort + "  該服務(wù)器上沒有存放對應(yīng)的session值";
        }
        System.out.println("獲取Session sessionid:信息" + session.getId() + "serverPort:" + serverPort);
        Object value = session.getAttribute("name");
        return serverPort + "-" + value;
    }

}

package com.toov5.loveCode;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;

//這個類用配置redis服務(wù)器的連接
//maxInactiveIntervalInSeconds為SpringSession的過期時間（單位：秒）
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 1800)
public class SessionConfig {

    // 冒號后的值為沒有配置文件時，制動裝載的默認(rèn)值
    @Value("${redis.hostname:localhost}")
    String HostName;
    @Value("${redis.port:6379}")
    int Port;
    @Value("${redis.password}") 
    String password;
    
    @Bean
    public JedisConnectionFactory connectionFactory() {
        JedisConnectionFactory connection = new JedisConnectionFactory();
        connection.setPort(Port);
        connection.setHostName(HostName);
        connection.setPassword(password);
        return connection;
    }
}

package com.toov5.loveCode;

import org.springframework.session.web.context.AbstractHttpSessionApplicationInitializer;

//初始化Session配置
public class SessionInitializer extends AbstractHttpSessionApplicationInitializer{
    public SessionInitializer() {
        super(SessionConfig.class);
    }
}

package com.toov5.loveCode;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;


@EnableAutoConfiguration
@SpringBootApplication
public class AppSession {

    public static void main(String[] args) {
        SpringApplication.run(AppSession.class, args);
    }

}